*{
    padding: 0;
    margin: 0;
    border: 0;
}
body{
    font-size: 16px;
    font-family: "微软雅黑", serif;
    background: url("../img/bg.jpg") no-repeat center center fixed;
    background-size: cover;
}
.register{
    width: 900px;
    height: 400px;
    margin-top: 50px;
    margin-left: 400px;
}
h2{
    margin: 20px 0 20px 240px;
    color: rgb(194,73,78);
}
p{
    margin-top: 30px;
}
p span{
    width: 150px;
    margin-top: 3px;
    display: inline-block;
    text-align: right;
    padding-right: 12px;
}
p input:not(.radio){
    width: 220px;
    height: 20px;
    border: 1px solid #38a1bf;
    padding: 5px 8px;
}
.radio{
    margin-left: 20px;
}
#btn input{
    width: 160px;
    height: 40px;
    background: rgb(9,101,90);
    margin-top: 20px;
    margin-left: 200px;
    border-radius: 5px;
    font-size: 16px;
    color: #fff;
    letter-spacing: 2px;
}
.usually{
    background: #fff url("../img/attention.png") no-repeat 98% center;
}
.usually:required:valid{
    background :#fff url("../img/right.png") no-repeat 98% center;
}